41.   Advances in technology and rapid change in the marketplace have made those barriers increasingly outdated and, many experts believe, have been harmful to competition and consumers.

42.   Alas, in America, the land of rapid technological change, the act of voting remains a nostalgic one.

43.   Aggressive efforts to clean up the air, water and land often drive rapid changes in technology, which in themselves may prove hazardous.

44.   But a new book by Stephen Keating, a reporter for The Denver Post, tries to make sense of the rapid change rocking the industry.

45.   But every so often in human history -- and especially during periods of rapid change -- there comes a backlash against new technology.

46.   But Midwestern weather can cause rapid changes in river flows and forecasts, Spaulding said.

47.   But other sounds are characterized by rapid changes.

48.   But the zeal for economic revolution that Zhu displayed at his first news conference as leader of the government was not matched by any hint of rapid political change.

49.   Caught in this dilemma, he said, the congress seems to want to pause for economic and political consolidation after years of rapid change.

50.   Cisco in the past year turned to acquisitions to keep up with rapid changes in technology.